<template>
  <div
    v-loading="dataListLoading"
    class="app-container"
    :element-loading-text="loadingText"
  >
    <div class="inner-container">
      <el-form ref="queryForm" :model="queryForm" class="filter-container">
        <el-form-item class="filter-item" prop="searchKey">
          <el-input
            v-model="queryForm.searchKey"
            placeholder="请输入待办事项"
            clearable
            @clear="handleSearch"
            @keyup.enter.native="handleSearch"
          ></el-input>
        </el-form-item>
        <el-form-item class="filter-item">
          <el-button type="primary" @click="handleSearch">查询</el-button>
        </el-form-item>
        <el-form-item class="filter-item">
          <el-button v-if="isAuth('todo:add')" type="primary" @click="addOrUpdate()">新增</el-button>
        </el-form-item>
      </el-form>

      <div class="table-box">
        <el-table :data="dataList">
          <el-table-column
            prop="name"
            label="待办事项"
            align="center"
            show-overflow-tooltip
          >
          </el-table-column>
          <el-table-column
            prop="remark"
            label="描述"
            align="center"
            show-overflow-tooltip
          >
          </el-table-column>

          <el-table-column
            prop="status"
            label="是否完成"
            align="center"
            width="100"
            show-overflow-tooltip
          >
            <template slot-scope="scope">
              <el-tag v-if="scope.row.status === 1">是</el-tag>
              <el-tag v-else type="danger">否</el-tag>
            </template>
          </el-table-column>
          <el-table-column
            label="操作"
            width="200"
            align="center"
          >
            <template slot-scope="scope">
              <el-button
                v-if="isAuth('todo:update')"
                type="default"
                icon="el-icon-edit"
                @click="addOrUpdate(scope.row.id)"
              ></el-button>
              <el-button
                v-if="isAuth('todo:delete')"
                type="default"
                icon="el-icon-delete"
                @click="handleDelete(scope.row.id)"
              ></el-button>
            </template>
          </el-table-column>
        </el-table>
      </div>

      <div class="page-container">
        <el-pagination
          :current-page="current"
          :page-sizes="[10, 20, 50, 100]"
          :page-size="size"
          :total="totalCount"
          background
          layout="total, prev, pager, next,sizes,jumper"
          @size-change="sizeChangeHandle"
          @current-change="currentChangeHandle"
        >
        </el-pagination>
      </div>
    </div>
    <todo-form v-if="todoFormVisible" ref="todoForm" @refreshDataList="refreshDataList"></todo-form>
  </div>
</template>

<script>
import { getList, delTodo } from '@/api/todo'
import TodoForm from './TodoForm'
import { $gc } from 'gc-starter-ui-plus'

export default {
  name: 'Todo',
  components: { TodoForm },
  /**
     * 继承分页
     * 继承之后，当前组件中就有了 pageMixins 中定义的属性和方法，你可以直接 this.xxx 去使用
     * 不信你看 sizeChangeHandle 和 currentChangeHandle 方法你定义了吗，那是因为 pageMixins 定义了
     */
  mixins: [$gc.mixins.pageMixins],
  data() {
    return {
      dataListLoading: false,
      loadingText: '',
      todoFormVisible: false,
      // 表单查询
      queryForm: {
        searchKey: ''
      },
      // 表格数据
      dataList: []
    }
  },
  // 当该组件被重新加载时会回调，你可以在这里写打开这个页面后需要做的事情
  mounted() {
    this.getDataList()
  },
  methods: {
    // 查询事件
    handleSearch() {
      // 一定要加上这个，否则会出现查询不到结果的情况
      this.current = 1
      this.getDataList()
    },
    getDataList() {
      this.dataListLoading = true
      this.loadingText = '正在查询数据...'
      getList({
        current: this.current,
        size: this.size,
        searchKey: this.queryForm.searchKey || ''
      }).then(data => {
        this.dataListLoading = false
        this.dataList = data.list
        this.totalCount = data.totalCount
      }).catch(e => {
        this.dataListLoading = false
      })
    },
    // 新增或修改
    addOrUpdate(id) {
      this.todoFormVisible = true
      this.$nextTick(() => {
        this.$refs['todoForm'].init(id)
      })
    },
    // 刷新
    refreshDataList() {
      this.queryForm.searchKey = ''
      this.handleSearch()
    },
    // 删除事件和方法
    handleDelete(id) {
      this.$confirm(`确定进行删除操作?`, '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        delTodo(id).then(data => {
          this.$message.success('删除成功')
          this.getDataList()
        }).catch(e => {
          this.$message.success(e.msg)
        })
      }).catch(() => {
      })
    }
  }
}
</script>
